Burnished chromium plated layer on a driving shaft
Treatment : normalised
Magnification : 500 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
chromium layer 0,014 mm strong
copper layer 0,002 mm strong
Treatment : normalised
Magnification : 1000 : 1
Etching medium :
Sampling / Specification : transverse
Testing result :
chromium layer 0,014 mm strong
copper layer 0,002 mm strong